<?php
/************************************************************************
 * This file is part of EspoCRM.
 *
 * EspoCRM - Open Source CRM application.
 * Copyright (C) 2014-2021 Yurii Kuznietsov, Taras Machyshyn, Oleksii Avramenko
 * Website: https://www.espocrm.com
 *
 * EspoCRM is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * EspoCRM is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with EspoCRM. If not, see http://www.gnu.org/licenses/.
 *
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU General Public License version 3.
 *
 * In accordance with Section 7(b) of the GNU General Public License version 3,
 * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
 ************************************************************************/

namespace Espo\Core\Api;

use Psr\Http\Message\{
    ResponseInterface as Psr7Response,
    StreamInterface,
};

/**
 * Representation of an HTTP response. An instance is mutable.
 */
interface Response
{
    /**
     * Set a status code.
     */
    public function setStatus(int $code, ?string $reason = null);

    /**
     * Set a specific header.
     */
    public function setHeader(string $name, string $value);

    /**
     * Get a header value.
     */
    public function getHeader(string $name) : ?string;

    /**
     * Whether a header is set.
     */
    public function hasHeader(string $name) : bool;

    /**
     * Write a body.
     */
    public function writeBody(string $string);

    /**
     * Set a body.
     */
    public function setBody(StreamInterface $body);

    /**
     * Get a result PSR-7 response.
     */
    public function getResponse() : Psr7Response;
}